Expression of type ExprTuple

from the theory of proveit.physics.quantum.circuits

import proveit
# Automation is not needed when building an expression:
proveit.defaults.automation = False # This will speed things up.
proveit.defaults.inline_pngs = False # Makes files smaller.
%load_expr # Load the stored expression as 'stored_expr'
# import Expression classes needed to build the expression
from proveit import ExprTuple, Lambda, X
from proveit.logic import EmptySet, Equals
from proveit.physics.quantum.circuits import MultiQubitElem

# build up the expression from sub-expressions
expr = ExprTuple(Lambda(X, Equals(MultiQubitElem(element = X, targets = EmptySet), X)))

expr:

# check that the built expression is the same as the stored expression
assert expr == stored_expr
assert expr._style_id == stored_expr._style_id
print("Passed sanity check: expr matches stored_expr")

Passed sanity check: expr matches stored_expr

# Show the LaTeX representation of the expression for convenience if you need it.
print(stored_expr.latex())

\left(X \mapsto \left(\begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \gate{X~\mbox{on}~\emptyset} & \qw 
} \end{array} = X\right)\right)

stored_expr.style_options()

no style options

# display the expression information
stored_expr.expr_info()

	core type	sub-expressions	expression
0	ExprTuple	1
1	Lambda	parameter: 9 body: 3
2	ExprTuple	9
3	Operation	operator: 4 operands: 5
4	Literal
5	ExprTuple	6, 9
6	Operation	operator: 7 operands: 8
7	Literal
8	NamedExprs	element: 9 targets: 10
9	Variable
10	Literal